14
Changing breath testing thresholds
Traffic light
colour
Description
Reading (ppm)
Green
Non-smoker
0-6
Amber
Borderline
7-9
1 Red
Smoker
–
low
addicted
10-15
2 Red
Smoker
–
moderately
addicted
16-25
3 Red
Smoker
–
heavily
addicted
26-35
3 Red
Flashing
Smoker
–
very
heavy addicted
36+
This table shows the pre-set
breath testing thresholds.
Press the settings icon.
To change the breath test
thresholds, press the traffic
light icon.